Reversible Wurtzite-Tetragonal Reconstruction in ZnO(10$bar 1$0) Surfaces

Reversible Wurtzite-Tetragonal Reconstruction in ZnO(10$bar 1$0) Surfaces

Bistable surface: The reversible phase transition between wurtzite (WZ) and body‐centered‐tetragonal (BCT) lattice was activated in ZnO(10$\bar 1$0) surfaces and directly imaged at atomic scale by using aberration‐corrected electron microscopy (see picture). A nucleation‐growth mechanism for the sur...

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Veröffentlicht in:Angewandte Chemie International Edition 2012-07, Vol.51 (31), p.7744-7747
Hauptverfasser: He, Mo-Rigen, Yu, Rong, Zhu, Jing
Format: Artikel
Sprache:eng
Schlagworte:
ab initio calculations
electron microscopy
metal oxides
phase transitions
surface chemistry
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Zusammenfassung:Bistable surface: The reversible phase transition between wurtzite (WZ) and body‐centered‐tetragonal (BCT) lattice was activated in ZnO(10$\bar 1$0) surfaces and directly imaged at atomic scale by using aberration‐corrected electron microscopy (see picture). A nucleation‐growth mechanism for the surface reconstruction is further proposed based on observations and calculations of the WZ–BCT domain boundary.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201202598